Cornwall · Commercial · Change of use · Fit-out

Commercial drawings across Cornwall.

Planning, change-of-use, building regulations and fit-out drawings for retail, hospitality, holiday lets, workshops, barn conversions and light industrial across Cornwall. One studio handling design, Cornwall Council submissions and the construction package — built around the realities of Class Q, Article 4 short-let directions and Cornish commercial stock.

Sectors

What we draw for in Cornwall.

  • Retail — shopfronts, fit-outs, change of use to residential or hospitality
  • Cafés & restaurants — layouts, kitchens, Part B fire strategy, extract
  • Pubs & bars — refurbishment, licensing-aware layouts, accessibility
  • Holiday lets — change of use, Article 4 awareness, Part B & Part M
  • Barn conversions — Class Q, full planning, Cornish granite & slate
  • Agricultural diversification — workshops, glamping, farm shops
  • Offices — fit-outs, mezzanines, accessibility upgrades
  • Workshops & light industrial — Class B2 / B8 / E(g), steel frames
  • Mixed-use — shop with flat over, café with holiday let upstairs
  • Listed commercial buildings — Cornish high streets, consents and conditions

Cornwall commercial specifics

The constraints that catch out-of-county practices.

Article 4 short-let directions

Several parts of Cornwall now need full planning for change to short-term let use. We screen the address before quoting and prepare a credible case where one's viable.

Class Q on agricultural barns

Class Q permitted development for agricultural-to-residential is workable but tightly tested. Honest viability screening up front saves you a five-figure fee on a barn that was never going to qualify.

Part B fire strategy

The area most commercial projects underspec. We coordinate fire strategy alongside the architectural drawings — not as a sign-off-stage retrofit.

Process

How a Cornwall commercial job runs.

  1. Step 1

    Feasibility & viability

    Site or building screen against planning class, Article 4, Class Q tests and EHO / licensing overlay. Honest read of viability before any fee.

  2. Step 2

    Design & planning

    Concept drawings, planning or change of use submission to Cornwall Council, supporting statements.

  3. Step 3

    Building regs & fire strategy

    Full Plans pack at 1:50, junction details at 1:10, Part B fire strategy, Part M accessibility, structural coordination.

  4. Step 4

    Fit-out drawings

    Where relevant, kitchen and bar planning, services coordination, finishes schedule and tender documents.

  5. Step 5

    Tender & contractor support

    Tender-ready pack a Cornwall contractor can price; ongoing technical support through the build.

  6. Step 6

    Completion & handover

    Sign-off through Cornwall Building Control, condition discharge, and any post-completion certification.

FAQs

Commercial drawings in Cornwall — what people ask first.

What are commercial drawings and what do they cover?
Commercial drawings is the umbrella term for the design, planning and construction packages prepared for non-residential buildings — shops, cafés, holiday lets, offices, workshops, light industrial, agricultural diversification, hospitality and mixed-use. They cover planning drawings, change of use applications, building regulations packs, fit-out drawings, accessibility (Part M), fire strategy (Part B) and the construction details a contractor builds from.
Do you handle change-of-use applications in Cornwall?
Yes — agricultural to residential under Class Q, retail to residential, commercial to hospitality and barn conversions are regular work for us. Cornwall Council has specific tests for each Class; we screen viability before any fee is committed and only progress applications with a realistic chance of consent.
Can you do drawings for a holiday let or short-stay conversion?
Yes — and you'll likely need a change of use application now. Cornwall's Article 4 Direction for short-term lets came into force across several parts of the county and the position keeps tightening. We check the latest position for the specific parish before quoting, prepare the change of use case where one is needed, and design fit-out drawings to meet the Part B fire strategy and Part M accessibility tests that short-stay accommodation gets caught by.
Do you cover hospitality fit-outs in Cornwall — cafés, restaurants, pubs?
Yes. Layout drawings, kitchen and bar planning, Part B fire strategy, accessibility, ventilation and extract strategy, and the building regs package for the build. We've worked across Cornwall's hospitality sector from seafront cafés to village pubs and understand the EHO and licensing overlay that catches new operators out.
What about agricultural diversification and barn conversions?
A big part of Cornwall work. Class Q permitted development for agricultural-to-residential where it qualifies, full planning where Class Q doesn't fit, and building regs for the conversion itself. We screen barns for genuine viability before recommending a planning route — not every barn that looks convertible actually is, and an honest screen saves five-figure fees.
Can you handle light industrial or workshop drawings?
Yes — Class B2 / B8 / E(g) work, including new-build steel frames, mezzanines, racking schemes and accessibility upgrades. Building regs Part B fire strategy is the area most jobs underspec; we factor it in from the first drawing, not at sign-off.
How are commercial drawing fees calculated in Cornwall?
Most commercial work is scope-based rather than percentage-based, with fixed prices for each stage (feasibility, planning, building regs, tender pack). For larger or phased projects a percentage of construction cost makes more sense. We quote both options at feasibility so you pick the structure that suits cash flow.
Do you submit to Cornwall Council Building Control on commercial jobs?
Yes — Full Plans submission for almost every commercial job. Building Notice rarely makes sense on commercial work because the cost of getting Part B fire strategy wrong on site is huge. We submit, manage condition discharge and attend the surveyor inspections that matter.

Got a commercial site in Cornwall? Let's screen it honestly.

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